Low Communication-Cost PSI Protocol for Unbalanced Two-Party Private Sets

Table 5

Theoretical communication costs of PSI protocols with invariant (in bits).

Protocol	Communication	()
		KKRT [12]		1,322	1703	2,560	8,222	123,330	1,966,558
CLR17 [25]		—	—	—	—	1814	7,856
SpOT [20]	1.02 (	453	854	1655	6,457	102,461	1,638,465
PaXoS [21]		1,093	2,054	3,975	15,497	245,901	3,932,305
CM20 [22]		672	1,288	2,518	9,892	157,352	2,516,653
RS21 [3]		86,661	89,840	93,254	101,444	146,939	655,430
RT21 [2]		313	570	1,083	4,157	65,601	1,048,645
GPR21 [23]		647	1,169	2,210	8,454	133,261	2,130,068
Authors		612	612	612	612	612	612

Italic values indicate the best results of each column.